3com 3cr856-95 routers include a very basic firewall that helps protect your home network form unwanted access from the internet. Since this firewall blocks incoming connections you may need open a port through it for certain games and applications. This process of opening a port is frequently called a port forward, since you are forwarding a port from the internet to your home network.
The basic process to open a port is:
- Setup a static IP address on either your computer or device that you want to forward a port to.
- Login to your 3com 3cr856-95 router.
- Navigate to the port forwarding section.
- Click the Firewall link.
- Click the New button.
- Select Custom in the drop down.
- Create a port forward entry.
While these steps might seem difficult at first, we will walk you through each step for your 3com 3cr856-95 router.
We think that forwarding a port should be easy. That's why we created Network Utilities. Our software does everything that you need to forward a port.
When you use Network Utilities you get your port forwarded right now!
It is important to setup a static ip address in the device that you are forwarding a port to. This ensures that your ports will remain open even after your device reboots.
- Recommended - Our free Static IP Setter will set up a static IP address for you.
- Another way to get a permanent IP address is to set up a DHCP reservation.
- Or, manually create a static ip address with our Static IP Guides.
This step is important because you want a permanent IP address in your device. If you do not set up a permanent IP address in your device, then when you device reboots it may get a new IP address.
Now we are going to login to your 3com 3cr856-95 router. Your router has a web interface, so you will login to it using your web browser. This can be either Chrome, Firefox, Internet Explorer, or Edge. It usually does not matter which browser you choose to use.
Open up your web browser and find the address bar. It should look something like this:
Above is an example of what a web browser address bar looks like. Find the address bar in your router and type in your router's IP address.
The default 3com 3cr856-95 IP Address is: 192.168.1.1
After entering the IP address of your router you can simply press enter. If all goes well you will see the following screen:
You should see a box prompting you for your username and password.
- The Default 3com 3cr856-95 Router Username is: NONE
- The Default 3com 3cr856-95 Router Password is: admin
Enter your username and password, and then click the Login button to log in to your 3com 3cr856-95 router.
3com Usernames and Passwords
If your username and password do not work then please visit our Default 3com Router Passwords page.
If you still can't login to your router because you forgot your 3com 3cr856-95 router username and password, use our How to Reset a Router Password guide to set your 3com 3cr856-95 router back to its factory settings.
Now we need to find the port forwarding section in your router. Here's how you do it. Starting from the first page in your router:
Click the Firewall link.
Click the New button.
Select Custom from the Local Service drop down box.
Here are the ports to forward for Xbox Live:
- TCP Ports: 3074
- UDP Ports: 3074
If you are looking for the ports for a different application you can find it by either:
- Browsing our List of Games
- Check out our our List of Games by Genre
- See our List of all Applications
Enter the IP address to forward these ports to into the Server IP Address box. If you are forwarding ports so you can run a program on a device other than your computer then you can enter your device's IP address into that box.
Make up a name to put in the Custom Service Name box. The name does not have any effect on the functionality of the forward, it's simply there so you can know why it was created.
Type the ports to forward into the Specify Custom Service Ports box.
Your ports can be entered as a list 23,24,25, a range 500-600, or a combination of both 23,45,500-600.
Select the protocol type of the ports you are forwarding from the Specify Protocol box.
Click the Apply button.
Your ports should now be open. It is time to test them.
Test if Your Ports are Open
Now that you have forwarded ports on the 3com 3cr856-95 you should test to see if your ports are forwarded correctly.
To test if your port has been properly forwarded, you can use our Network Utilities tool, which includes a free Open Port Checker. Our Open Port Check tool is the only online port checking tool with Guaranteed Results.
3com 3cr856-95 Router Screenshots
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